ITK
4.1.0
Insight Segmentation and Registration Toolkit
|
00001 /*========================================================================= 00002 * 00003 * Copyright Insight Software Consortium 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0.txt 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 * 00017 *=========================================================================*/ 00018 #ifndef __itkCurvatureFlowFunction_h 00019 #define __itkCurvatureFlowFunction_h 00020 00021 #include "itkFiniteDifferenceFunction.h" 00022 #include "itkMacro.h" 00023 00024 namespace itk 00025 { 00042 template< class TImage > 00043 class ITK_EXPORT CurvatureFlowFunction: 00044 public FiniteDifferenceFunction< TImage > 00045 { 00046 public: 00048 typedef CurvatureFlowFunction Self; 00049 typedef FiniteDifferenceFunction< TImage > Superclass; 00050 typedef SmartPointer< Self > Pointer; 00051 typedef SmartPointer< const Self > ConstPointer; 00052 00054 itkNewMacro(Self); 00055 00057 itkTypeMacro(CurvatureFlowFunction, 00058 FiniteDifferenceFunction); 00059 00061 typedef typename Superclass::ImageType ImageType; 00062 typedef typename Superclass::PixelType PixelType; 00063 typedef typename Superclass::RadiusType RadiusType; 00064 typedef PixelType ScalarValueType; 00065 typedef typename Superclass::PixelRealType PixelRealType; 00066 typedef typename Superclass::NeighborhoodType NeighborhoodType; 00067 typedef typename Superclass::NeighborhoodScalesType NeighborhoodScalesType; 00068 typedef typename Superclass::FloatOffsetType FloatOffsetType; 00069 typedef typename Superclass::TimeStepType TimeStepType; 00070 00072 itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension); 00073 00084 virtual TimeStepType ComputeGlobalTimeStep(void *GlobalData) const; 00085 00091 virtual void * GetGlobalDataPointer() const 00092 { 00093 GlobalDataStruct *ans = new GlobalDataStruct(); 00094 00095 ans->m_MaxChange = NumericTraits< ScalarValueType >::Zero; 00096 return ans; 00097 } 00098 00103 virtual void ReleaseGlobalDataPointer(void *GlobalData) const 00104 { delete (GlobalDataStruct *)GlobalData; } 00105 00107 void SetTimeStep(const TimeStepType & t) 00108 { m_TimeStep = t; } 00109 00111 const TimeStepType & GetTimeStep() const 00112 { return m_TimeStep; } 00113 00116 virtual PixelType ComputeUpdate(const NeighborhoodType & neighborhood, 00117 void *globalData, 00118 const FloatOffsetType & offset = FloatOffsetType(0.0) 00119 ); 00120 00121 protected: 00122 00127 struct GlobalDataStruct { 00128 GlobalDataStruct() 00129 { 00130 m_MaxChange = NumericTraits< ScalarValueType >::Zero; 00131 } 00132 00133 ~GlobalDataStruct() {} 00134 00135 ScalarValueType m_MaxChange; 00136 }; 00138 00139 CurvatureFlowFunction(); 00140 ~CurvatureFlowFunction() {} 00141 private: 00142 CurvatureFlowFunction(const Self &); //purposely not implemented 00143 void operator=(const Self &); //purposely not implemented 00144 00145 TimeStepType m_TimeStep; 00146 }; 00147 } // end namespace itk 00148 00149 #ifndef ITK_MANUAL_INSTANTIATION 00150 #include "itkCurvatureFlowFunction.hxx" 00151 #endif 00152 00153 #endif 00154